Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/01
Page Numbers: 60, 61, 118, 122, 123, 126, 127, 129
Fee Flight Duration Bob Meuser JAPANESE INDOOR KITS introduced US company called Two Worlds Contact Jimmy Walker PO Box 449 Novato CA 94948 phone 415 897-6789 importing line about dozen Indoor-model kits Japan Models range size sophistication lightweight AMA Racer sort thing Pennyplanes microfilm-covered models neat little Ornithopter somewhere middle style manufacturing packaging indicates expected sales hundreds thousands year least thats what would take amortize cost attractively printed boxes instructions dies catalog sheets No cottage industry operation Some kits supplies will offered direct-mail sale main intent get hobby shops Attractive packaging shows what will get time effort cello-wrapping prevents kits being spected death before sold loss damage parts dont have prices imagine will seem expensive get lot few sticks bit wire some tissue rolled up plans might imagine Step-by-step instructions included illustrations seem pretty clear though text Japanese American-language will available time read kits engineered both beginner expert mind Almost everything built jigs little building over plans jigs assembled pre-cut cardboard pieces Most wire parts cut shaped thrust bearings drilled bent aluminum sheet Rubber pro vided kits looks feels good naven t energy output Covering Pennyplane thin film Ckristian Sckwar-tzbadis Wakefield Prop Props kaft 1 Bob wants set record straight about prop Read column history limitations Fi8tsre- 1 60 Model Aviation real life 1/z-in high 1 6-in wide 4-color brochure backside details extensive line Indoor kits now being imported English-language versions should available Q*flfl Rnk line main something like Microlite supplied wrinkles Microfilm kits include bottle microfilm liquid vial thin cement Stripwood microfilm kits packaged separately box-within-a-box Prop blades flat constant blade angle gives performance loss perhaps 20% construction propsoften hangup beginnersis simple fast Fancier props can come later Having built kit model can easily run off second third model using same jigs instructions Ornithopter kit particularly intriguing wing supports holes wire axles flapping parts connecting-rods Fiurc 2 P thrust bearing light injection-molded plastic Construction should require no hour two appearances Id judge model good enough run off half dozen AMA Junior Senior records possibly few Open records too heartening see good-quality stuff like market good Free Flight good model aviation whole far cry some kits shelves 6 0 6 III virtually unbuildable plans materials supplied wouldnt fly anyhow Schwartz bachs prop has 13 years since Christian Schwartzbachs Wakefield prop design design method appeared 1968 NFFS Sympo Report Immediately design became popular various modified forms remains popular Schwartzbach designed cornContinued page 118 30 II / 50 6o 70 42 / 0 Yi8ure3 0 z 4 6 6Ia 90 N / Downtl2ii-ust an8e- 3YF NuincraCs semi-cu-des truc tirustii tzuzi9z# bend fierST wnthrust. Fwre s idet Iwrtss FQunr 4 Thrustline adjustments rubber-power models usually real pain Any four approaches makes less pain strain Bob gives info column Top ieWu 1I av10CeA t vcv Tfirwstine 5icfe View neat job building combinations sidethrust downwash can use graph Rubber Gasmaybe other things Bob has ideas column January 1982 61 Anc rotation front krizonta b 010La40 [%i77 R/C MULTI ENGINES SYSTEMS THESE SUPERB NEW G-MARK THROTTLE-EQUIPPED MULTI-CYLINDER R/C ENGINES OFFER SCALE APPEARANCE & PERFORMANCE ALL ARE EASY STARTING WITU OTH OPERATION & EXCELLENT TOP END POWER $29500 305 5CYL R/C 30 R/C TWIN SCHNEURLE PORTING THROTTLE MUFFLER AND BALL BEARINGS STD ALL ENGINES1319 OL 495 OZGLOW PLUGS NOT INCLUDED2500-15000 RPMI SHIPPING & HANDLING $300 20% DEPOSIT ON yJ5COD ORDERS CALIF RESIDENTS ADD SALES TAX. COMPLETE R/C BROCHURE 50 U S $150 FOREIGN 13400-26 Saticoy StreetNorth Hollywood Calif 91605213 764-1488J [v32][b-2-10-1-10]] up foam wood salvage kit Mount wheels engine propeller balance model indicated plan important step dont skip Add weight required get balance Check model warps Steam will work remove slight warps balsa sheet wings Hold wing flat pass over steam Keep holding wing flat until wood cools room temperature warp should come out Repeat necesary Adding out-thrust engine may also help make first flight successful suggest get set 35-ft steel lines flying SE-S models fly much better steel lines dacron last much longer too Pick calm day test fly SE-5 ready spend lot time flying original model has flown exhaustion having flown weekiy several years hope will enjoy much have Show & Tell/Shepherd Continued page 59 other hand crowd control must space limitations unpredictable flight pat tern Indoor models means audience gets strict instructions handle model lands near 36 shows three models have ever damaged needed extensive repair think thats excellent record believe hobby desperately needs youngsters like tomorrows builders competitors Unless encourage give attention deserve may no tomorrow modeling believe complex glamorous models advanced modelers anxious show off discourage youthful builders es pecially attempt before success possible lectures have tried return some dignity glamour simple fun-flying models go beyond show tell stage local modelers teachers parents have follow up capture enthusiasm hope continue programs other nearby towns cities encourage other modelers begin programs similar anyone would like information about start such program Ill glad assist way possible Jesse F Shepherd 2713 Summit View Bedford TX 76021 FF Duration/Meuser Continued page 61 bination blade shape pitch distribution supposed give blade-loading distri bution close ideal Other combinations presumably would have done well example helical pitch blade shape designed match might have performed well have no idea what blade shape would have might bit grotesque designers outstanding models have used Schwartzbach pitch distribution own blade shape course blows whole thing its combination counts blade shape isnt too far off Schwartzbachs theyre probably too bad off takes rather gross changes blade shape produce mild changes blade-loading distribution such changes load distribution have propor tionally smaller effect performance Does fact pseudo- Schwartzbach props drive models perform exceedingly well prove indeed superior props Continued page 122 118 Model Aviation NEW REALISM NEW PILOTS FOR MORE NATURAL APPEARANCE FEATURES 2 SCALE 3% HIGH SEPARATE GOGGLES OR SUN GLASSES DEEP TORSO EASILY ASSEMBLED EASILY PAINTED INSTRUCTIONS SHOW SIMPLE ACTUATING SYSTEM Separate head permits tilting turning actuation model air craft boat car control system Ask pilots dealer will supply order directly factory SCALE WHEELS NE KITS LAY MODEL KITS MACHINE GUN KITS SSORIES SEND $1 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS CALIFORNIA 9 STANDARD SPORTSMAN K & H GLASS Prod 16 QUINCY TERRACE -CITY IOWA 50401 NrmaGd TUNGSTEN CARBIDE Mans Hardest Material 1 next Diamond LIFETIME SANDING S Cl 'i FLAT TOOL adius RADIUS TOOL IN ONE MONEY BACK GUARANTEE RR 695 Wholesale & Dealer Inquiries Invited D G PRODUCTS CO 209 CARRLANDS DR DAYTON OHIO 45429 competition whole thing counts whole necessarily equal sum pieces model might perform exceedingly well because certain feature its design exceedingly good rather despite feature being less superior because other features sufficiently superior compensate Schwartzhach prop worked rather well way loaded it might well other loadings extremely high-power model correspondingly short motor run might well overload prop long motor run less pizzaz might underload Generally speaking keep things line should use scaled-up version short motor runs scaled down cruisers having built particular size might find works better fast-climber cruiser design can scaled Suit other classes models Coupe dHiver forexample will first put dozen Schwartzbach props Peanut Scale Dornier DO-X Occasionally pays go back original sources Truth seldom enhanced through inter pretation Hmmm beginning sound like Fundamentalist Anyhow seems ap propriate point time publish original un-interpreted Schwartxbach prop de sign design presented came directly Schwartzbach differs slightly presented Sympo Report Personally dont think much method laying out blank unless uses bladeangle templates fine-tune shape simply whittle away lines unlikely will get correct pitch distribution its bit unlikely both blades will alike perhaps important lots modelers swear method templates know few swear Schwartzbach used blade-angle templates cant knock application method As usual use long carbon-steel knife carving cheap kitchen knife will provided isnt stainless steel Figure spend about much time sharpening knife carving youll save time long run Use coarse sandpaper 100 grit wiped across diagonal grain grain until within gnats eye final dimensions use finer grits ending up 600 wiped along grain use sharp unworn high quality paper times Carving props good spleen Compound angles tuning new model best start out down-thrust angles specified designer rubber-power models modelers prefer keep shoulder nose-block square propshaft build thrustline angles front fuselage round fuselage sanding off end get both angles correct can chore might find easier use following methods Sand offthe end tube certain true angle well tell determine later give pure sidethrust no downthrust rotate tube get correct downthrust before gluing wing platform wing platform already place set angle gage true thrustline angle rotate gage down hori zontal sand fuselage fit gage gas models having engine mount screwed firewall make shim tapered true thrustline angle rotate shim instal ling between englne mount firewall really lot simpler seem making sound 122 Model Aviation C Take JARS out SPARS LEVER ACTION Landing Gears tail nose main Theyre modeled after real things smooth ground-hugging landings Adjustable pressure too present two methods figuring proper angles first big trig want split-hair precision second goal-oriented graphical approach starters refer sketch mathematics goes follows ST -thrust angle DT down-thrust angle thrustline angle B e rotation viewed front Perform following calculations ST2±DT2 B cost ST/A B sin DT/A graph works like Say want 40 downthrust 70 sidethrust Go up line 4 lower edge graph right 7 left edge lines cross just above semi-circle true thrust linc angle 80 also cross very near radial dashed line labeled 30 angle rotation downward horizontal youre never going use angles greater 50 can change labels DT ST AcurvesfromO24 toO 12345 Thanks Bob Lieber putting onto business few scribbled lines go beat poor thing half death Thrustline adjusters Typically thrustline angle adjustments rubber-power models made putting balsa shims between noseblock fuselage little wrong done neatly although might quite right thing Scale model decade ago writing American Aircraft Modeler presented neat screw-adjusted scheme used Don Typond Coupe Continued page 126 January 1982 123 Get Flying off J Super Start New YearNED Make New Years Resolu tion never put up hard starting engines again look Sullivans Hi-Tork Starters Choose 2/5 hp 1 hp 1 2to 24 volts suit engines requirements youre 1/4 scale monsters theres Sullivan starter built last So get aircraft off flight line faster 82 famous Sullivan Hi Tork Starter Model HTHi-Tork 12V Shown ue.230 oz epower.2/5 hp -Turning RPM.4400 Model HTD has aluminum cone pulley stead nylon Starts engines including s helicopters etc Model HTD-24 Super 1-li-Tork 12V l HTD-24 Super Hi-Tork24V Torque.288 oz e HP.1/2 hp g Torque.570 oz hp Free-Turning RPM.3500 Free-Turning RPM.7000 Startsalmostanyengineincluding ts engines 1/4 scale 1/4 scale engines b monsters other balkyengines L Dont Forget. Fuel Tank Systems Push Rods Accessories Filtered Fuelers Motor Mounts Tubing etc Sullivan GET ORGANIZED LEISURE GRAND CHAMPIONSHIP Hee s set 4 slanly Ides holds 4 yearS ot tovootO 8 ii nagaznes Electric Sailplane Contest 4 MAG FILES $495 Send $495 plus SlOG postage end handleg DOE INDUSTRIES PO BOX 388-K DOVER NH 03820 $1000 FIRST PRIZE Jan 9 10 1982 Anaheim california Send SASE complete info Leisure 11 Deersprlng Irvine CA 92705 Performuue Jtk* makers PLUGDRIVER popular,for c1 Fastseasy starting Lights pJjj glow plugs adj twin plugs right plugs 12 V battery sags 7voltsl *No dropping resistors j -U $4250 Kit $5000 AssemORDER PHONE 203-333-1717 Sgg 4/J %FAST DELIVERY r Please send DRIVER PANEL Kits $4250 I _____DRIVER PANEL Assembled $5000 Please Print Address Clearly II II Include $150 P&H Name _____________________________________________ Add $150 C 00Address______________________________________ Ct Res add sales tax J CityStateZip_________ I___ banana ugwwecase hardware Satisfaction refund Northeast Engineering PO Box 6201A Bridgeport Ct 06606 PBY 5 Catalina $40000 126 Model Aviation dHiver Figure 1 shouldered tube serving journal bearing propshaft free rotate direcitons plate front noseblock rearofthe noseblock tubes direction fixed four adjusting screws two horizontal two vertical advantage such scheme can return previous setting dont like new mere tweek screwdriver provided have kept notes adjustments Perhaps alternatives always pays keep looking alternatives enough heady philosophy real snazzy way adjusting thrustline provide two concentric shouldered sleeves Figure 2 inner acts bearing forthe propshaft rotates outer Outer rotates noseblock holes reamed slightly cockeyed Rotate change downthrust angle other gives sidethrust angle machinists dream Unfortunately arent machinists variation theme however quite simple based astute ob servationapparently nobody else has noticed noseblock has both front side hinderwards side thrust button forced side Figure 3 having off-center hole rigged right rotating button changes downthrust rotating other changes sidethrust thrust buttons could simply old-time dime-kit wooden ones plugged re-drilled modern nylon ones such Pecks about bit aluminum-smithing provide trick gizmo behinderwards side Figure 4 Bend vertical part change sidethrust angle horizontal part change downthrust angle handy reproducible Typonds screw adjust ments perhaps Ill bet couldfigure out way cobble up spruce-wood wedge little marks numbers serve gage judging have have gone Oh well Just thoughts NIMAS INAV Inasmuch Bud Tennys column Indoor modeling appears less fre quently Bud cant spend column pitching NIMAS wonder might interested know National Indoor Model Airplane Society NIMAS actually exists Membership costs $450 year includes subscription Indoor News Views {INAV As Bud says intent publish 12 issues per year best can interested send check NIMAS Box 545 Richardson TX 75080 Sympo 82 call papers National Free Flight Society soliciting papers 1982 NFFS Symposium held 1982 Nats Papers will published 1982 Symposium volume whether auther able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies practical design engineering applied models new unusual model aircraft develop ments historical items Both Indoor Outdoor Free Flight modeling developments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible desired dead line being within month after publication CUSTOM TUNED ENGINES COMPETITION 4CCESSORIES SpecialIsts custom TD 049/051 reed engines Throttled TD S available Complete ventory individual stock custom parts Cox TD 020 049 051 & 08 engines Exclusive distributor Nelson 75 engine parts Hard-to-get items such custom needle valves racing wheels quick fills fuel shut-off solid control lines others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 La guns Hills CA 92653 Ph 714 830-5162 Grumman Widgeon $25000 glass en e e lb Inbescat snf iuarterW ourr8 eO 1 excitesOen evoted tot.leptIk fClt~e wsit~01oduX andu1SA alu i$5al kIW aga%tW~ber aernmeded uXdW $9/yr $250/copy7106-AlCsmpfieldRd Send free secretsBaltimore MD21207 NFFS 1979 World Champs Report unique report totally unlike other publica tion produced seems quite likely nothing like will produced again However judging sales publication apparently Free Flighters aware its availability report edited Fred Pearce originally going primarily summary altitude measurements data gathered Freds Technical Task Force has expanded become lot Fred presents results technicallydifficult job measuring altitude gained Wakefield Rubber power FAI Power models during climb altitude gained Towline Gliders result zoom launching along description tbe methods used obtain measurements Contest Director Bill Hartill describes end show organized operated Bob Hatschek describes some problems associated checking approximately 500 models during 10-hour period face inevitable enforcement Murphys Law New Zealands Paul Lagan fourth place Wakefield presents delightful account experience before during competition together observations technical tactical aspects meet Deborah Beron tells about team Peoples Republic China including team selection process technical aspects models materials used personalities lifestyles modelers team members observa tions lifestyles Fred Pearce presents results tests some recent kinds rubber especially kinds ud World 8jMICRO AIRo 000 l0 AA nICI-ILAPfl WA OO3 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up 3/8 thick Provides sealed tank compartment eliminates fuel 7 line chaffing Color coded easy identIfication - 7 MOULDED NYLON FUELPROOF Weight GM EACH Size 3/32 10 PRICE 2for$195 FAhlDMAT PRODUCTS 4040 24th Ave Forest Grove OR 97116 Bomb Release Fourmost Bomb-release mechanism simple light weight device iAeai fun-fly events Fasten unIt plane screws provided Attach spring-loaded latch thread connect throttle rudder servo CorrosIon problem unit molded nylon spring stainless WeIght 1/10 OUNCE PRICE $250 503 357-2732 January 1982 127 notice editor year would like have aChamps teams including home-brew complete list material published byrubber used Chinese December 31 1981 Reports multitude authors edite Dennis Mihora Nordic Chris Matsuno Wakefield include observations teamswOODEN BEAM BALANcE PLAN SET WEISES OBJECTS U TO 1R Si individuals action technical aspects the CONSTSOCTIOR FROM SIMPLE MATERIALS STEP RT STEP PSOTOS ILLUSTRATIONS models equipment interviews competi STICE-ON-TSMPLATESS ORASUATRO SCALE tors ahostofothersubjects FAI Power Continued page 129 rn competition covered round-by-round account Fred Pearce analysis climb patterns Andrew Bauer observations Ralph Prey greatly expanded version story appeared Free Flight also dozens photographs around 30 drawings top models including some features can order report NFFS Publica tions 4858 Moorpark Ave San Jose CA 95129 price $750 NFFS members non-residents US $850 others Handling postage $2 number copies sent anywhere world 4th class airmail Americas $3 per copy airmail Europe $4 per copy Far East pacific air $5 per copy Bob Meuser 4200 Gregory St Oaklan4 CA 94619 FF Indoor/Tenny Continued page 62 drastic thing reduced rubber weight Erv feels current model size reduced motor weight should reduced arrived conclusion after several years test-flying models half-length motors Such testing has two major advantages models can flown full torquefully wound climbing top hangar staying up over half hour Thus both models time saved short-motor tests addition Erv forecasts slightly smaller wing probably much shorter motor stick will fit box can carried cabins airliners during trips contests model should much stronger about 5in wing chord smaller wing chord span wing loading should about samedue lighter motor about 7 grams lighter has said rule places higher premium having really good rubber true long run must admit winners both good luck good rubber retrospect must remember original reason change 65 cm models first try gram 65 cm models reduce flight timet organizers World Championships would have furnish both staff site relatively long time required fly off high-entry World Champion ship Neither approach has worked missing ingredient may well limit amount rubber thing surewe would have learn few things about handling rubber wound higher relative torque levels perhaps will need learn about picking certain kinds rubber other aspect Santa Ana Stick has mentioned model fits existing rule fact smaller stronger model might exactly what needed cool turbu lent days low ceilings mind can assume anyone built try rules change wouldnt really building orphan model could still quite useful Follow-up couple past issues discussed various field gadgets methods winding also requested Indoor Cabin fliers tell us pet methods safely winding special beasts series pictures column show elaborate scheme weve seen really works well spite apparent com plexity photos show fixture used Ron Ganser 1981 West Baden Indoor Nats NIMAS SNART event believe Ron said designed someone else forgot FAMOUS BRITISH DIESELS IAEROMODELLER PLANS M/E PAW C D/C 2nd EDITION CATALOG-DIESEL HMrI $350 pp HOBBY HIDEWAYDELAVANCIL 309 244-7389 61734 HSRBYHISEAWAYHOBBYH$SERWAYHOBBYIITSE4SIAYBOBBYHI$EAW January 1982 129 R0RBYHE$EAWAYH0BBYHI$EAWAYH$BBYHI$EAiJAYIBBYHISEAWAY AEDIATE SHIPMENT New ~UtEH UUADRA $8995 odS BRISIGHELLA FLYWHEEL $10695 QUADRA MARINE engine $12495 QUADRA REPAIR $1000 pine porte KIORITZ engine 244 co in $19995 Jin Meeter ERCOUPE PLANS 92395 KIT $22995 inn Menser TOMAHAWK PLANS $2395 KIT $24999 BALSA end BASSWOOII eli sizes 35% OFF Concept FLEETKIT 991 7995 FG Cowl -91995 QUADRA loel tenkelB ot. $699 32 oc. 5795 1/3 VICKERS LEWIS MACHINE GUN KITS91499 10 die COVERED WHEELS USA Pop52995 PLAN5 SUPER STEARMAN 1/4 Godfrey$2800 STAROUSTER TOO 1/4 Brieghnlle$2995 1/3 seem J-3 Cob NnIilz92995 VOLESPLANE 1/3 Chicken Cherlie$2195 FLY BABY 1/3 91895 SE-5 1/3RocecIr 92495 COCKPIT KITS Steerreen FInnI F4U191600 Ercoepn 91500 Tonrthewk $2150 Cilebrie92495 J3 Ceb 91650 ME1D9 $1950 Spilfirn92195 FIBERGLASS ARROW SHAFTS S/I B e 32 Ig6/91000 24-Hour Seice. Add $2SO postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706